(puc-mg) seja dada a seguinte equação de redox: cro₄⁻² + i⁻ + h⁺ à cr⁺³ + i₂ + h₂o a soma
(puc-mg) seja dada a seguinte equação de redox:
cro₄⁻² + i⁻ + h⁺ à cr⁺³ + i₂ + h₂o
a soma total dos coeficientes mínimos e inteiros das espécies envolvidas, após o balanceamento da equação, é igual a:
a) 24 b) 26 c) 29 d) 35 e) 37
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